Based on the operational principle of on/off slip of continuous-circulation system, the forced state of drill pipe was clarified.
从钻井连续循环系统上卸扣卡瓦的工作机理入手，弄清了钻杆工作时的受力状态。
Based on the operational principle of on/off slip of continuous-circulation system, the forced state of drill pipe was clarified.
从钻井连续循环系统上卸扣卡瓦的工作机理入手，弄清了钻杆工作时的受力状态。
应用推荐